The 1979 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City in the United States. It was the 99th edition of the US Open and the third Grand Slam tennis event of the year. The tournament was held from August 28 to September 9, 1979. John McEnroe and Tracy Austin won the singles titles. US Open 1979: August 28 – September 9, 1979 at National Tennis Center. Men's singles: John McEnroe. Women's singles: Tracy Austin. Wiki link